Machine for washing, rinsing, and drying dishes



A ril 26 1927. 1626022' 'p J. c. coRBET'r MACHINE FOR WASHING, RINSING, AND DRYING DISHES Filed Nov. 7. 1925 3 Sheets-Sheet 1 uuuuuum darnee C. Core# H @ome v 1,626,022 Aprl 26 1927 J. c.'coRBE1-T MACHINE FOR WASHING, RINSING, AND DYING DISHES Filed Nov. '7, 1925 1 5, Sheets-Sheet 2 James C. Cowbeff April 26. 1927.

J. c. coRBE-rr MACHINE FOR WASHING, RINSING, AND DRYING DISHES 3 Sheets.Sheet 3 Filed Nov. v. 1925 gmuntat flanges C Corbe# Patented .-pr. 26, 1927. l AUNITED `Sil'A'll-IS lgs-26,022

JLAMES C COBBETT, 0F ROCHESTER, NEW YORK.

MACHINE Fn WASHING, mNsING, AND DBYING means.

npplieationvnlea November 1,1925. serial No. 67,677. e

The object of this invention is to provide a newfand im roved machine for washin and rinsing an drying dishes. Another- -o'bJect ofthe invention isto simplify the the gearing clutch mechanism, the

matter of handling the dishes and transferring them from one tank to another and in immersing the dishes lin thefirst vplace andy finally placing them on the drainboard.

This 'and other objects of the invention will be fully illustrated in the drawings, described in the specification and pointed out in the claim at the endthereof.

In lthe drawings: Figure 1 is' the side elevation of my irnproved dish washing machine.

Figure 2 is a ^vertical section taken on the line 2X, 2c in Figure 1.

Figure 3 is a top plan View of the machine with the round cover plate omitted.

Figure 4 is an enlarged detail View of the clutch and operating mechanism shown at `the top of Figure 2.

Figure 5 is a horizontal section on the line 5", 5x in'Figure 4i Figure 6 shows a/vertical sectional view of parts being shown on a large scale.

Figure 7 is a front elevationpf the parts 'shown `in Fig. 6 viewed from the front of Figure 3 and from the left of Figure 6.

Figure 8 is a perspective view of the cage that is immersed in and raised from the tank.

Figure 9 is a to plan view of the lever used for shifting`t \e friction pinions'.

In the drawings like referencenumerals indicate like parts.

In the drawings 1 and 2 indicate the upright frames which are formed of pieces of pipe cut of suitable length and threaded at the ends and connected at the upper lcorners with elbows. The bottom of the frame is supported by the ball feet 3, 3. Connecting the two members of the upright frame is a tie rod 4 which passes through the two members, one of these tierods beingprovided at each end of the machine frame.

Resting on these` tie rods is the sheet iron base plate 5. W

sAt tne top of these uprights are connected by a frame work 6 which 'supports the tracks 7 and 8 on which runs a carriage 9. On this carriage is carried an electric motor 1() which drives a pinion 11 which meshes with a large reduction gear 12 that is keyed to the shaft 13. On this shaft is carried the small friction cone pinions 14 and 15 which engage with a large cone gear 16. The pinions 14 and 15 are keyed on a shaft 13 with which the. are moved back and forth together wit 1 the shaft 13. On the sleeve 17 1s carried a collar 18 which is pivotally mounted between the bifurcated ends .of the lever 19 pivoted on` the.` post 70. By the movement Cof this lever 19 either the pinion 14 or 15 can be brought -into contact with the gear 16. This lever is provided withk a dog 66 that has a tooth 81 thereon that engages with the ratchet face 82 by which it is held at either end of its movement. Fur- -ther reference will-be made to,this later on. As the pinions 14 and 15 always revolve in the same direction, but engage on opposite sides With the gear 16, they can -beused to cause the gear to revolve first in one direction and then in the other. It will be seen that the pinion ll. is an elongated pinion and as the shaft 13' is moved back and forth with the cones 14' and 15, the gear l2' will move therewith and be maintained in driven Y engagement with the pinion 11. On the botl use will result in the saving of the hot water i used. On these tanks rest the intermediate plate 23 which is erforated with four small round openings tirough which the upright members of the uprightframes 1 and 2 pass. These lopeningsare surrounded with flanges or collars that keep any overflow water from passing through and vdripping or running v do`wnthe upright. The intermediate plate is is out away with two large round holes 24 and 25. These openings are smaller than and eccentric -to the vcircumference of the tanks so as to cover the baiiies which are mounted stationary in each tank, which baiiies will presshaft 26 through ,a clutchmember 27. yAs shown in Figure 4, the cone 16 is recessed on the under side, and with this reces en.

gages the male member 27 of the cone which is lifted into engagement therewith by thelever 28 which engages with a collar 29 in whic `theTcone member is free to rotate. 'lhe ever 28 is pivoted at 30 on the carriage 9. When the clutch member '27 is open the shaft 2 6 does not turn. As this shaft makes threaded en agement with the cone 16 the rotation of t e cone,16 when the shaft does not turn causes the shaft 26 to lift, and brings up with it the cage which 1s on the bottom of the shaft. When the cone 16 is turned in the reverse direction Aand the shaft 26 is held stationary, thecage is lowered into the tank. As the cage is eithery Athe .cage turns after it has beenV lowered.

By this it is centered on theA hearing that l supports it.

The cage 35 1s made up as an open frame work of angle iron as indicated 1n Figures 2, 3 and 8. The middle of the long sides asv shown Nin Figures 3 and 8 are reinforced by an upright bar 36 also shown 1n Figure 2.

' The narrow ends are left open and into either end can be inserted the basket or crate 37 which is shown in Figure 2. This crate is a skeleton frame of wood which is divided ott' by the horizontalbars 38, 38 shown in Figure 2 so that a series of pockets are formed therein in which the dishes will stand upright. Each of these pockets is filled with dishes and the crate is set loosely in the cage, it being held therein by the flanges of the angle irons which extend all the way around the bottom of the cage.

When the cage is at the top, the basket or crate will be placed therein filled with dishes and then the lever '19 will be moved to drive the cone d16 to lower the shaft 26 and the cage 35, -until the cage rests on the Vball bearing on the bottom of the machine.

Then the lever 28 will be moved to move the male cone 27 into engagement with the cone 16. This will cause the shaft 26 to turn and will cause the cage and its basket to rotate in the water of the tank. The lever 28 is held up to hold the cone 27 in driving' position bythe engagement of the pawl 39 with the ratchet 40. The cage will be rotated for about thirty seconds in one direction'and then the lever 19 will be thrown to cause the cage to rotate in the other direction for an equal length of time after which the lever 19 will be put on vneutral and the lever 39 again will be moved to-.dis-

engage the clutch member 27 after which the lever 19 is moved lto turn the cone 16 to raise the shaft 26 and the cage 35. When the cage has been elevated the carriage Q9 will be movedto suspend thecage over the rinsing tank upon which the cage will be lowered intoV the water and will be caused to rotate first in one direction and then inv the other to secure the rinsing of the dishes after which it will again be raised so that the basket can be removed and placed on the drain board. Another basket can then be put into'the cage and put through the two tanks in the same manner to both wash and rinseY therdishes. In each of the tanks is provided a series of stationary baffles as indicated at 50 and 51. These baffles ares wide on one side of the tank and taper to nothing on lthe other side of the tank so as to leave a circular opening that is clear of the bailies and eccentric to the tank. The bailes are thus given a curved wedge sha-pe and are arranged to slope alternately up and down as shown in Figures 2 and 3; 1n the circular opening inside -of the battles the. rectangular baskets can be rotated back and 9 forth. .The baiiles are arranged to swirl the water up on one side and down on the other y thus establishing currents in the water that will cause the water to flow up through the dishes in one part of the tank and down through the. dishes in another part of the tank. Centered on the shaft 26 is the cover plate 42 that covers the opening in thev plateI 23 while the cage is in the tank. This plate is raised and 'lowered with the cage. wo

As above described, the rotation ofthe cone gear 16 independent of the shaft 26. may be controlled manually, but in such case the shaft 26 will continue its travel endwi'se until the cone 16 stops rotating or until 105 the clutch' member 27 is thrown into engagement with the cone 16 so as to compely the shaft to rotate therewith. lf the `clutch remains open and the pinion 14 or 15 remain in engagement with the gear 16, the shaft 1m will continue to move downward until the cage rests on the hearing at the bottom after which the shaft will either continue its downward course or will raise the carriage oli the track, and on the upward movement of the shaft the cage will continue to move up untilL it makes Contact with the frame work at the top of the machine after which the pull would continue to be exerted by the shaft and the-machine would then quickly jam. ln order to avoid the possibility of a failure of the operator to move the clutch lever 28 or the reverse lever 19 at the right time, l have provided 'an automatic o controLdevice that will release the lever 19 15 and allow it to move to neutral position at either end of the movement of the shaft, thus stopping the rotation of the gear 16 and the endwise movement of the shaft 26. This mechanism l will now describe:

` rasen to are han 2e is provided the disk be a considerable distance below the end of' the lever 64 when the lever is in full line. position. v rlhis is indicated by the shaft 26 being shown. broken above the disk plate 61.

As the shaft and cage start up no etl'ect will he produced on the lever 64 untilthe disk 61 approaches the upper end of its movement. lt will then engage the lower end of the lever 64 as shown in Figure 6. andmove it to the dotted line position shown in that iigure, which indicates the upper end oi the movement o' the disk andthe lever. The upper end or the lever 64 isY provided with an anti-friction roller 65 that engageswith a dog 66 which is pivoted on a pinl at 6'? and. is provided with a cam suri'ace on its lower edge. The pin 67 is supported by two lugs 68 which are provided on either side oi" a slot' 69 in the lever 19. This leverv 19 is pivoted on a post 70 provided on the bracket 62. Extending upwardly from the lever -19 is a pair of lugs 71 provided with a pin 'Z2 on which is pivoted a lever 7 3 which extends down through the slot 69 and has a slot 74 in the lower end thereof which engages with the pin carried in the dog 66.

The dog 66 1s provided with a handle 8O which the operator can grasp with the same handthat grips the handle of the lever 19. The lever 19 is used to shift the cone pinions 14 and 15. The dog 66 has a tooth 81 thereon that engages with the ratchet face 82 in either of the extreme positions of the' lever 19 so as to hold the pinion 14 or 15 i in engagement with'the cone gear 16. The

lifting of the dog 66 either manually or by the swinging of the lever 64 releases the .dog from engagement Withthe ratchet face so that the-lever 19 can drift toward neutral position,. carrying the active pinion 14 or 15 away from the cone 16, thus stoppnig the drive thereof." A

When the lever 64 is swung from the full line position to the dotted position shown in su re 6 the dog 66 is raised to the position shown in Figure 6 andthe left hand end of the lever 73 is raised and the 'right hand end is drawn down. In such case the disk 60 will be elevated to the top of its movement and will stand way abovethe right hand end of the lever 73. When theshaft 26 descends and gets near the lower end of itsmovement the disk 60` will engage with the. right hand end of l the lever 73 and move it down raising the left hand end of the lever. This will lift the left hand-end of the dog 66 and draw the tooth 81 away from the ratchet face 82. ln like manner when the shaft 26 lifts the disk 61 will engage the lever 64 which in turn will lift the dog 66 and draw the tooth 81 away from the ratchet 82. ln either case the cone pinion 14 or 15 will not thereafter beheld positively` in engagement with the gear 16 but will drift away therefrom upon which the gear 16 will cease to be driven and will cease to raise or lower the shaft 26. 'lo acilitate the drifting movement oi" lever 19 to the neutral position l provide as follows: A split pin 85 is provided on the lever 19 in which is held a split spring 86, the tree ends oi' which engage the cams or bevels formed on the top of the, post 70. The post 70 is rigid with the' bracket 62 and when the lever 19 is moved :trom neutral position in either direction the one end of the split spring 86 bears heavier on one of these beveled surfaces than the other end of the split spring bears on the other beveled surface. rllhis split spring therefore tends to returnthe handle 19 toneutral position and quickens the movement of it as soon as the tooth 81 on the dog 66 is released from the ratchet face 82. ln this way the gear 16 is brought to rest and thereafter the cone clutch member 27 is moved into engagement therewith if the shaft 26 is at the bottom of its movement, to rotate the crate. After the crate has been rotated suciently in both directions then the clutch 27 is opened upon which the shaft 26 and crate is raised until its upward movement is stopped by the releasing of the lever 19 ap above described. The carriage is rst positioned over the tank for washing the dishes, and the ca e is lowered and rotated, and after the was ing 'has been completed and the cage is raised, the carriage is moved along the tracks to position the cage over the other tank and the operation is then repeated in that tank.

' Below the tanks are provided the gas burners 90 and 91 by which the water in the tank is kept hot. 92 indicates the cold water pipe and 93 the hot water pipe and 95 indicates a swinging faucet by which the water can be put into either tank. 96 and 97 indicate drains fo the tank which are regulated by a valve, the handle'of which is .indicated at 98 in Figure 3. The valve can` be 'ut into position to drain either of the tanks separately.

If for any reason the motor 10 should fail to operate7 the machine may be operated manually for which purpose a crank l()A may be fastened to theouter end of the' shaft 13 as illustrated .in Figures 1 and 3..

I claim:

In a dish WashingV machine, the combination of a pair of tanks placed side by side, an overhead track supported over Said pair of tanks, a carriage adapted to move back and forth on said track, a cage adapted to hold dishes to be washed, a threaded shaft suspended from said carriage and connected to said cage to either tui-n or raise and lower said cage on the rotation thereof a gear mounted on said carrie e an threaded on said shaft, a clutch splined on said shaft below said gear, 'and nieans for either holding said clutch in frictonal oonact with said rear to'rotate Vtherewith and rotate said sha, with said cage, or holdin it out of enga ement with said gear to allow said shaft an cage to remain stationary so as to raise or lower said shaft on the rota JAMES C. CORBETT. 

